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OALib Journal期刊
ISSN: 2333-9721
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流化床热解煤焦油的降黏研究
, PP. 26-32
Keywords: 煤焦油,降黏,馏分油,亲水基,憎水基
Abstract:
？对循环流化床热电气焦油多联产热解所得煤焦油流动性差的问题采取了一系列的降黏研究。通过x射线衍射测试可以排除室温下蜡结晶影响煤焦油黏度的可能,对比了煤焦油和煤沥青的黏度和族组分差异,考察了喹啉不溶物对软化点的影响,结果表明,采取馏分油降黏是合理的。分别添加四种馏分油对煤焦油进行了降黏实验,通过色谱质谱联机分析馏分油的成分,认为既含亲水基又含憎水基的分子具有很好的降黏效果,而且含量越多降黏效果越好。通过添加四种单组分化合物的降黏实验和分析,进一步验证了所得到的降黏理论,而且可以判断同时含有亲水基和憎水基的分子降黏效果优于只含憎水基不含亲水基的分子。
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